Table 1

Enzyme kinetic parameters for metabolism of CJ-12,458 in pooled human liver microsomes

ParameterCP-611,781 (Diol)CP-616,762 (1° OH)
K Mapp (1) (μM)5.48.5
V max (1) (pmol/min/mg)3719
CL′int (1) (μl/min/mg)6.92.2
CL′int (2) (μl/min/mg)0.230.10
Total CL′int (μl/min/mg)7.12.3
Scaled CL′int(ml/min/kg)1-a 6.42.1
  • 1-a  Intrinsic clearance scaled per kilogram of body weight using the values of 45 mg of microsomal protein per g of liver and 20 g of liver per kg of body weight in humans.